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Just completed the power head swap from my 1989 50hp 507X9B to my 1991 50 hp 508F91C. It's ready to be started how ever I see that my tower shaft has everything out of adjustment and I don't feel comfortable starting it this way.
1) spark control/timing link seems too short.
2) top idle or fill...
Re: 89-50HP Carb doesn't fit on 91-50HP
Thank you Frank, I'll buy some gasket paper rolls to keep in stock for emergencies.
I want to share with everyone part of my learning. I've had major problems with wires getting pinched and the system grounding due to inexperience or lack of attention to...
Re: 89-50HP Carb doesn't fit on 91-50HP
Got cha Frank, thank you so much. That was my crazy idea that for the first time I may have been right.
I got a close up picture of the 91 carb flange that shows 2 additional bolts right next to the carb holding bolts, what are those? My 89 does not have...
I'm swapping power heads.
-- My original 1989 50 HP model 507X89B carburetor Asbly. part number F628061-3 and carb adapter flange part number FA433167.
-- My replacement head is a 1991 50 HP model 508F91c carburetor Asbly. Part number F718061 and carb adapter flange part number FA691167...
1989 Force 50 HP model H507x89B -
I am rebuilding the fuel pump completely and one of the fuel pump valves won't come out. One was held by screws and just dropped the other I had to punch it out of the pump body with a screw driver, how ever the last one won't come out.
I used PB blaster to...
Re: Need opinion on repairing a flywheel
Good morning everyone! Welcome back!!
These are some pictures of my new motor. This is will be called - motor #3 San Diego for parts only, Motor #2 will be Minnesota the good 4% leak down test power head, and motor #1 will be my original, with 90 Lbs...
Re: Need opinion on repairing a flywheel
This is the original state I found it in after I discovered I installed the key wrong and the second picture is after I lapped it like 3 times.
Re: Need opinion on repairing a flywheel
Thank you guys. Per your request I am posting pictures of the shaft and flywheel.
Since I bought this boat the flywheel key would not stay on unless I added some pasty product to hold in place so I used anti seize cream and then installed the F/W.
My...
Re: 1991 force 50hp wiggling coil and cd module bracket kills one cylinder
Same thing happened to me, I've had a few posts about this. In my case 3 different times was a wire from one of the 2 ign. Coils that was bad and touching ground. There is very little space behind the pack and as you...
Need opinions and help on how to or whether I should repair a flywheel with a scratched bore. Please see attached pictures. Can I take it to a machine shop? I know I must have 80% contact from flywheel and shaft, can I use JB Weld to fill the scratches? Or make it straight and tight on the...
